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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureRenovationLengwilBrugger AG, Mauer-Sanierung
Brugger AG, Mauer-Sanierung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Brugger AG, Mauer-Sanierung advises on building moisture problems and diagnoses their causes. The company repairs and dries masonry, including through injection methods, and provides waterproofing, plaster restoration and basement floor services.

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Service area

Offering

Products & services

Industry:Renovation
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4.4/5

Brugger AG, Mauer-Sanierung

✓ Offered11
Masonry repair
Waterproofing of cellars in contact with the ground and cellar renovation with injections, drying out of cellar walls, exterior walls, plinths and masonry in cases of rising or penetrating moisture.
Vertical damp-proofing
Vertical wall dehumidification with injections into the masonry to permanently reduce capillary rising moisture in cellar and ground-contact walls.
Horizontal damp-proofing
Horizontal wall dehumidification with injections into the masonry against rising moisture; suitable for cellars and ground-contact walls.
Plaster repair
Plaster repair after cellar renovation, including removal of old plaster, cleaning, intermediate render, mineral finishing coat and suitable mineral paints.
Cellar floor coating
Floor coating in the cellar even on damp substrates and difficult ground conditions, as a robust solution for renovation and protection.
Sealing of construction joints
Sealing of construction joints between wall and floor, and of concrete cracks as weak points in the structure.
Basement car park waterproofing
Basement car park renovation with waterproofing and concrete reprofiling for dry, safe and long-lasting car parks.
Thermal insulation in the cellar
Mineral thermal insulation in ground-contact areas and in the cellar for cellar insulation.
Floor waterproofing
Sealing of water-carrying cracks under the floor and other floor waterproofing measures when there is moisture in the substrate.
Mould remediation
Removal of mould spores throughout the room and dehumidification where there is moisture in the cellar and living spaces.
Home moisture diagnosis
Diagnosis of moisture in the home to identify the cause and assess damage before renovation.
Trust & reputation

ranQ Trust Score of Brugger AG, Mauer-Sanierung: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Brugger AG, Mauer-Sanierung scores 90.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.91.024%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.86.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Brugger AG, Mauer-Sanierung scores 81.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.89.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Brugger AG, Mauer-Sanierung scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
Brugger AG, Mauer-Sanierung scores 12.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brugger AG, Mauer-Sanierung reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 29 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 29 reviews across all connected sources

Sources
GGoogle529
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Schlösslistrasse 7
8574 Lengwil
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-317.460.937
Founded
2015 · 11 years
Last commercial register change
December 10, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGLengwil
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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